/* Deadlines page specific styles */

/* Timezone info banner */
.timezone-info {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* Toolbar layout */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.toggle-group {
  display: flex;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.toggle {
  flex: 1;
  padding: var(--space-3) var(--space-6);
  background-color: transparent;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.toggle:first-child {
  border-right: 1px solid var(--color-border);
}

.toggle:hover {
  background-color: var(--color-surface-hover);
}

.toggle input[type="radio"] {
  display: none;
}

.toggle input[type="radio"]:checked + span {
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}

.toggle input[type="radio"]:checked {
  color: var(--color-accent);
}

.toggle span {
  display: block;
}

/* Chip group */
.chip-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.chip {
  position: relative;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background-color: transparent;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.chip input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  margin: 0;
  width: 0;
  height: 0;
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chip input[type="checkbox"]:checked + span {
  color: var(--color-accent);
}

.chip--active input[type="checkbox"]:checked + span {
  color: white;
}

.chip input[type="checkbox"]:checked {
  accent-color: var(--color-accent);
}

.chip--active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* Conference list */
.conference-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

/* Conference card layout */
.conference-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  align-items: start;
}

.conference-card-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.conference-card-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.conference-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  margin: 0;
  display: inline;
}

.conference-year {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.conference-category-badge {
  display: inline-block;
}

.conference-external-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  font-size: 16px;
  margin-left: auto;
}

.conference-external-link:hover {
  opacity: 0.8;
}

.conference-meta {
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.conference-dates-location {
  display: flex;
  gap: var(--space-4);
}

.conference-deadlines {
  display: flex;
  gap: var(--space-6);
}

.deadline-item {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: var(--space-2);
}

.deadline-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  opacity: 0.7;
}

.deadline-value {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
}

.conference-card-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  white-space: nowrap;
}

.countdown-timer {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
}

.countdown-timer-tbd {
  color: var(--color-text-secondary);
}

/* Timeline bar (optional, hidden on mobile) */
.conference-timeline {
  grid-column: 1 / -1;
  height: 20px;
  background-color: var(--color-surface-hover);
  border-radius: var(--radius-sm);
  position: relative;
  margin-top: var(--space-2);
}

.timeline-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  border-radius: var(--radius-sm);
  position: absolute;
  left: 0;
  top: 0;
}

.timeline-now {
  position: absolute;
  width: 2px;
  height: 100%;
  background-color: var(--color-warning);
  top: 0;
}

.timeline-abstract {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  border: 2px solid var(--color-surface);
}

.timeline-paper {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: var(--color-accent);
  border-radius: 4px;
  top: 50%;
  transform: translateY(-50%);
  border: 2px solid var(--color-surface);
}

/* Past deadline section separator */
.past-section-label {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-8) 0 var(--space-6) 0;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
}

.past-section-label::before,
.past-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

/* Responsive design */
@media (max-width: 768px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toggle-group {
    width: 100%;
  }

  .toggle {
    flex: 1;
  }

  .chip-group {
    width: 100%;
  }

  .chip {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .toolbar {
    gap: var(--space-4);
  }

  .conference-card {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .conference-card-right {
    align-items: flex-start;
  }

  .conference-meta {
    flex-direction: column;
    gap: var(--space-2);
  }

  .conference-dates-location {
    flex-direction: column;
    gap: var(--space-2);
  }

  .conference-deadlines {
    gap: var(--space-4);
  }

  .conference-timeline {
    display: none;
  }

  .conference-card-header {
    gap: var(--space-2);
  }

  .conference-name {
    font-size: var(--text-base);
  }

  .countdown-timer {
    font-size: var(--text-sm);
  }
}